Direct communication with the builder has been the most effective method in my experience.

Many lenders allow for low-down-payment options if the rental income covers the loan.You’re approaching this deal thoughtfully, but be sure to communicate the benefits of your offers clearly to overcome resistance from the seller's representative.

@Chris Seveney is correct, security deposit claims only arise if the funds are not returned.

Correction, I just re-read my notes from last October. 

You speak correctly that "anything is probably possible anywhere but highly unlikely" to you.You are also answering a question that wasn't asked.

Does anyone have a recommendation for a reliable, quality cleaning company with great communication?

Quote from @John Busch: Truly appreciate the multiple responses and look forward to continuing our communication as we live in Southern CA and do not have many contacts in that part of the county. 

I would work on my communication of my processes including letting them know asap of their schedule with me. 

@Kyle CarterAsk about their communication style, does it fit with yours? 

Quote from @John Friendas: Quote from @Chris Seveney: When buying at auction you will have zero ability to sue (and win) an auction site if information is not correct.